Document Type and Number:
Japanese Patent JPS5527892
Kind Code:
B2
Abstract:
Ethylene glycol or 1,2-propylene glycol contained in mixtures with lower carboxylate esters of the glycol are separated from such mixtures by fractional distillation of the mixtures with the addition to the lower portion of the distillation zone of aqueous formic acid and/or acetic acid.
Application Number:
JP10972076A
Publication Date:
July 24, 1980
Filing Date:
September 13, 1976
Export Citation:
International Classes:
C07C27/00; C07C29/80; C07C29/82; C07C31/20; C07C67/00